I remember going back and forth with you about that escher illusion a guy built in his garage. Just an example of what I'm talking about and why I think it's co

I remember going back and forth with you about that escher illusion a guy built in his garage. Just an example of what I'm talking about and why I think it's cool. http://news.ycombinator.com/item?id=2233584 http://news.ycombinator.com/item?id=2233584